Construction is imminent for a carbon-capture project aimed at reducing CO2 emissions from steel production while producing carbon-neutral calcium carbonate. At the U.S. Steel manufacturing facility ...

NASA's Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock.

Winter brings the challenge of managing icy surfaces to ensure safety. Knowing the ice melting point and how de-icers like ...

The scientists created the promising new cancer-fighting drug by manipulating calcium levels in the cells — supposedly the the key to an “anti-tumor” formula. Typically, too many calcium ions are ...

A zero calcium score with high cholesterol may mean a person is at a lower risk of coronary heart disease. It means imaging does not show a buildup of calcified plaque in the heart’s blood vessels.

In wetland soils and underwater sediments of marine, brackish and freshwater systems, the strong phytotoxin sulfide may accumulate as a result of microbial reduction of sulfate during anaerobiosis, ...